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A Hollow Aluminum Shaft (G=27GPa,d2=96 mm, and d1=52 mm)\left( G = 27 \mathrm { GPa } , d _ { 2 } = 96 \mathrm {~mm} , \text { and } d _ { 1 } = 52 \mathrm {~mm} \right)

Question 10

Multiple Choice

A hollow aluminum shaft ( (G=27GPa,d2=96 mm, and d1=52 mm) \left( G = 27 \mathrm { GPa } , d _ { 2 } = 96 \mathrm {~mm} , \text { and } d _ { 1 } = 52 \mathrm {~mm} \right) has an angle of twist per unit length of 1.8/m1.8^{\circ} / \mathrm{m} due to torques T. The resulting maximum tensile stress in the shaft is approximately:
 A hollow aluminum shaft (  \left( G = 27 \mathrm { GPa } , d _ { 2 } = 96 \mathrm {~mm} , \text { and } d _ { 1 } = 52 \mathrm {~mm} \right)   has an angle of twist per unit length of   1.8^{\circ} / \mathrm{m}   due to torques T. The resulting maximum tensile stress in the shaft is approximately:    A)   38 \mathrm { MPa }  B)   41 \mathrm { MPa }  C)   49 \mathrm { MPa }  D)   58 \mathrm { MPa }


A) 38MPa38 \mathrm { MPa }
B) 41MPa41 \mathrm { MPa }
C) 49MPa49 \mathrm { MPa }
D) 58MPa58 \mathrm { MPa }

Correct Answer:

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